diff --git a/flake.nix b/flake.nix
index bc540e7..a474e39 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,87 +1,10 @@
 {
-description = "SNES emulator with an extensive set of debugging tools";
+  description = "Templates for coding SNES roms";
 
-inputs = {
-  nixpkgs.url = "github:NixOS/nixpkgs";
-  flake-utils.url = "github:numtide/flake-utils";
-
-  mesen-s.url = "github:NovaSquirrel/Mesen-SX";
-  asar.url = "github:RPGHacker/asar";
-};
-
-outputs = { self,
-            nixpkgs,
-            flake-utils,
-            mesen-s,
-            asar,
-... }@inputs:
-  flake-utils.lib.eachDefaultSystem (system:
-    with import nixpkgs { inherit system; };
-    let
-      # Executable name
-      pname = "";
-      # Project version
-      version = "";
-
-      asar-pkg = stdenv.mkDerivation {
-        pname = "asar";
-        version = "1.81";
-
-        src = asar;
-
-        nativeBuildInputs = [ cmake ];
-        configurePhase = "cmake src";
-        installPhase = ''
-          install -Dm755 asar/asar-standalone $out/bin/asar
-        '';
-      };
-      mesen-s-pkg = stdenv.mkDerivation {
-        pname = "mesen-s";
-        version = "0.4.0";
-
-        src = mesen-s;
-
-        nativeBuildInputs = [ clang zip makeWrapper ];
-        buildInputs = [ mono6 SDL2 glib gtk2-x11 ];
-
-        postPatch = "patchShebangs .";
-        preBuild = "make clean";
-        makeFlags = [ "LTO=true" ];
-
-        # Adapted from the AUR repo's PKGBUILD
-        installPhase = ''
-          cat > mesen-s << END
-          #!/usr/bin/env sh
-          mono $out/opt/mesen-s/mesen-s "\$@"
-          END
-
-          install -Dm755 mesen-s $out/bin/mesen-s
-          install -Dm755 bin/x64/Release/Mesen-S.exe $out/opt/mesen-s/mesen-s
-          install -Dm644 InteropDLL/obj.x64/libMesenSCore.x64.dll $out/lib/libMesenSCore.dll
-        '';
-
-        preFixup = ''
-          MPATH="$out/lib:${glib.out}/lib:${gtk2-x11}/lib"
-          wrapProgram $out/bin/mesen-s --prefix MONO_PATH : "$MPATH" --prefix LD_LIBRARY_PATH : "$MPATH" \
-             --prefix PATH : ${lib.makeBinPath [ stdenv.shell mono6 ]}
-        '';
-       };
-    in {
-      shells.default = mkShell {
-        packages = [ asar-pkg mesen-s-pkg ];
-      };
-
-      packages.default = stdenv.mkDerivation {
-        inherit pname version;
-
-        src = self;
-
-        nativeBuildInputs = [ asar-pkg ];
-      };
-
-      apps.default = {
-        type = "app";
-        program = "${self.packages.${system}.default}/bin/${pname}";
-      };
-  });
+  outputs = { self }: {
+    templates.with-asar = {
+      description = "A template for programming with the Asar assembler";
+      path = ./with-asar;
+    };
+  };
 }
diff --git a/with-asar/Makefile b/with-asar/Makefile
new file mode 100644
index 0000000..732c45b
--- /dev/null
+++ b/with-asar/Makefile
@@ -0,0 +1,17 @@
+NAME ?= main
+
+ASM=asar
+ASMFLAGS=
+
+VPATH=src
+
+.PHONY: all
+all: $(NAME).sfc
+
+$(NAME).sfc: main.asm
+	$(ASM) $(ASMFLAGS) $^ $@
+
+# Clean directory
+.PHONY: clean
+clean:
+	rm $(NAME).sfc
diff --git a/with-asar/flake.nix b/with-asar/flake.nix
new file mode 100644
index 0000000..6079db3
--- /dev/null
+++ b/with-asar/flake.nix
@@ -0,0 +1,88 @@
+{
+description = "SNES emulator with an extensive set of debugging tools";
+
+inputs = {
+  nixpkgs.url = "github:NixOS/nixpkgs";
+  flake-utils.url = "github:numtide/flake-utils";
+
+  mesen-s-src.url = "github:NovaSquirrel/Mesen-SX";
+  mesen-s-src.flake = false;
+  asar-src.url = "github:RPGHacker/asar";
+  asar-src.flake = false;
+};
+
+outputs = { self,
+            nixpkgs,
+            flake-utils,
+            mesen-s-src,
+            asar-src,
+... }@inputs:
+  flake-utils.lib.eachDefaultSystem (system:
+    with import nixpkgs { inherit system; };
+    let
+      # Executable name
+      pname = "";
+      # Project version
+      version = "";
+
+      asar = stdenv.mkDerivation {
+        pname = "asar";
+        version = "1.81";
+
+        src = asar-src;
+
+        nativeBuildInputs = [ cmake ];
+        configurePhase = "cmake src";
+        installPhase = ''
+          install -Dm555 asar/asar-standalone $out/bin/asar
+        '';
+      };
+      mesen-s = stdenv.mkDerivation {
+        pname = "mesen-s";
+        version = "0.4.0";
+
+        src = mesen-s-src;
+
+        nativeBuildInputs = [ clang zip makeWrapper ];
+        buildInputs = [ mono6 SDL2 glib gtk2-x11 ];
+
+        preBuild = "make clean";
+        makeFlags = [ "LTO=true" ];
+
+        # Adapted from the AUR repo's PKGBUILD
+        installPhase = ''
+          cat > mesen-s << END
+          #!/usr/bin/env sh
+          mono $out/opt/mesen-s/mesen-s "\$@"
+          END
+
+          install -Dm555 mesen-s $out/bin/mesen-s
+          install -Dm555 bin/x64/Release/Mesen-S.exe $out/opt/mesen-s/mesen-s
+          install -Dm444 InteropDLL/obj.x64/libMesenSCore.x64.dll $out/lib/libMesenSCore.dll
+        '';
+
+        preFixup = ''
+          MPATH="$out/lib:${glib.out}/lib:${gtk2-x11}/lib"
+          wrapProgram $out/bin/mesen-s --prefix MONO_PATH : "$MPATH" --prefix LD_LIBRARY_PATH : "$MPATH" \
+             --prefix PATH : ${lib.makeBinPath [ stdenv.shell mono6 ]}
+        '';
+       };
+    in {
+      packages.emulator = mesen-s;
+
+      shells.default = mkShell {
+        packages = [ asar mesen-s ];
+      };
+
+      packages.default = stdenv.mkDerivation {
+        inherit pname version;
+
+        src = self;
+
+        nativeBuildInputs = [ asar ];
+
+        makeFlags = [ "NAME=${pname}" ];
+        installPhase = "install -m444 ${pname}.sfc $out";
+      };
+  });
+}
diff --git a/with-asar/src/main.asm b/with-asar/src/main.asm
new file mode 100644
index 0000000..e69de29